CN105592594A - ACLED light source of high-voltage high-frequency pumping driving power supply - Google Patents
ACLED light source of high-voltage high-frequency pumping driving power supply Download PDFInfo
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- CN105592594A CN105592594A CN201610121147.5A CN201610121147A CN105592594A CN 105592594 A CN105592594 A CN 105592594A CN 201610121147 A CN201610121147 A CN 201610121147A CN 105592594 A CN105592594 A CN 105592594A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention discloses an ACLED light source of a high-voltage high-frequency pumping driving power supply. The ACLED light source comprises an AC voltage stabilizing module whose output end is electrically connected to the input end of a high-speed switch. The output end of the high-speed switch is electrically connected to the input end of a charge pump. The output end of the charge pump is electrically connected to the input end of a MOSFET power tube output module. The output end of the MOSFET power tube output module is electrically connected to the input end of a pulse modulation module. The output end of the pulse modulation module is electrically connected to the input end of a high-frequency conversion transfer circuit. The output end of the high-frequency conversion transfer circuit is electrically connected to the input end of an overcurrent overheat circuit protection module. According to the ACLED light source of the high-voltage high-frequency pumping driving power supply, with a working environment of high-frequency square wave control, the working temperature of an LED is reduced greatly, the service life and working stability of a light-emitting unit are ensured, all elements can be packaged into a whole body, the stability is good, the circuit structure is flexible to use and is convenient and simple, and the cost is low.
Description
Technical field
The present invention relates to LED light source technical field, be specially a kind of high pressure, high frequency, pump formula driving powerACLED light source.
Background technology
LED light source is because it is energy-conservation, low cost and other advantages is widely used, but use conventionally nowLED light source due to type of drive and other problems, operating temperature easily raises, service life is short,Job stability is poor, and for this reason, we propose the ACLED of a kind of high pressure, high frequency, pump formula driving powerLight source.
Summary of the invention
The object of the present invention is to provide the ACLED light source of a kind of high pressure, high frequency, pump formula driving power,To solve the problem proposing in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: a kind of high pressure, high frequency, pump formula are drivenThe ACLED light source of moving power supply, comprises AC voltage-stabilizing module, and the output of described AC voltage-stabilizing module is electrically connectedConnect the input of speed-sensitive switch, the input of the output electrical connection charge pump of described speed-sensitive switch, described inThe input of electric charge delivery side of pump electrical connection MOSFET power tube output module, described MOSFET powerThe input of the output electrical connection pulse modulation module of pipe output module, described pulse modulation module defeatedGo out the input of end electrical connection high frequency conversion transfer circuit, the output electricity of described high frequency conversion transfer circuitConnect the input of overcurrent overheat circuit protection module, the output of described overcurrent overheat circuit protection moduleThe input of electrical connection PS trigger, the output of described PS is electrically connected respectively luminescence unit one, luminousThe input of unit two, luminescence unit three and luminescence unit four, the output of described luminescence unit one is electrically connectedConnect the input of HF switch current branch one, the output electrical connection HF switch of described luminescence unit twoThe input of current branch two, the output electrical connection HF switch current branch three of described luminescence unit threeInput, the input of the output electrical connection HF switch current branch four of described luminescence unit four,Described HF switch current branch one, HF switch current branch two, HF switch current branch three and heightFrequently the input of switching current branch road four is all electrically connected the output of LED current control module, described LEDThe input of current control module is electrically connected respectively the output of Logic control module and interior power supply, described inThe output of power supply is also electrically connected respectively the input of Logic control module and charge pump.
Preferably, described luminescence unit one, luminescence unit two, luminescence unit three and luminescence unit four is defeatedGo out the input that end is all electrically connected current sampling module, the output electrical connection of described current sampling module is rightThan the input of module, the input of described contrast module is also electrically connected the output of reference voltage circuit,The input of the output electrical connection error amplifier of described contrast module, the output of described error amplifierThe input of end electrical connection multichannel control gate, the output of described multichannel control gate is electrically connected respectively feedback controlMolding piece one, the input of feedback control module two, feedback control module three and feedback control module four,The input of the output electrical connection luminescence unit one of described feedback control module one, described FEEDBACK CONTROL mouldThe input of the output electrical connection luminescence unit two of piece two, the output electricity of described feedback control module threeConnect the input of luminescence unit three, the output electrical connection luminescence unit four of described feedback control module fourInput.
Preferably, described speed-sensitive switch, HF switch current branch one, HF switch current branch two,HF switch current branch three and the equal ground connection of HF switch current branch four.
Preferably, described pulse modulation module comprises pulse frequency modulated module and pulse width modulation module.
Compared with prior art, the invention has the beneficial effects as follows: this high pressure, high frequency, pump formula driving powerACLED light source, be directly to connect the LED that obtains AC220V or the civilian AC power of AC110VLight source primary element, the working environment of high frequency square wave control, reduces the operating temperature of LED greatly,The operating current that has ensured LED can not produce index rising, does not need to install additional in addition special heat dissipation equipment,The operating temperature of ACLED independent component is no more than 65 DEG C, thus ensured luminescence unit service life andJob stability, is better than existing LED type of drive. Meanwhile, because operating frequency is more than 350KHz,Human eye is discovered the variation less than light frequency at all, therefore without stroboscopic problem. And drive without any outsideDynamic component, power supply module etc., all elements can be packaged as a whole, good stability, circuit structure fortuneWith flexible simple, cost is extremely low, is easy to promote.
Brief description of the drawings
Fig. 1 is principle of the invention schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
Refer to Fig. 1, the invention provides a kind of technical scheme: a kind of high pressure, high frequency, pump formula driving powerACLED light source, comprise AC voltage-stabilizing module, the output of AC voltage-stabilizing module electrical connection speed-sensitive switchInput, the input of the output electrical connection charge pump of speed-sensitive switch, charge pump can accelerated chargeMovement rate, the input of electric charge delivery side of pump electrical connection MOSFET power tube output module, MOSFETThe switch mosfet array of power tube output module inside is controlled the charging of flying capacitor in some wayAnd electric discharge, thereby make input voltage with certain factor (1/2,2 or 3 or higher) multiplication or reduce, therebyTo needed output voltage. This special modulated process can ensure up to 90% and above efficiency,And only need encapsulate ceramic dielectric electric capacity, and this circuit structure uses flexible simple, and cost is extremely low, MOSFETThe input of the output electrical connection pulse modulation module of power tube output module, pulse modulation module comprisesPulse frequency modulated module and pulse width modulation module, pulse modulation module to the frequency of current impulse andWidth is modulated, and makes electric current become operable normalized current, the output electricity of pulse modulation moduleThe input that connects high frequency conversion transfer circuit, the output of high frequency conversion transfer circuit was electrically connected and flow throughThe input of heater circuit protection module, overcurrent overheat circuit protection module is protected circuit, crosses and flows throughThe input of the output electrical connection PS trigger of heater circuit protection module, the output of PS is electrically connected respectivelyThe input of luminescence unit one, luminescence unit two, luminescence unit three and luminescence unit four, luminescence unit canWith luminous, the input of the output electrical connection HF switch current branch one of luminescence unit one, luminous listThe input of the output electrical connection HF switch current branch two of unit two, the output electricity of luminescence unit threeConnect the input of HF switch current branch three, the output electrical connection HF switch electricity of luminescence unit fourThe input of stream branch road four, luminescence unit one, luminescence unit two, luminescence unit three and luminescence unit fourOutput is all electrically connected the input of current sampling module, the output electrical connection contrast of current sampling moduleThe input of module, the input of contrast module is also electrically connected the output of reference voltage circuit, contrast mouldThe input of the output electrical connection error amplifier of piece, the output electrical connection multichannel control of error amplifierThe input of system door, can detect current error by current sampling module and contrast module, by errorAmplify and send multichannel control gate to, the output of multichannel control gate is electrically connected respectively feedback control module one,The input of feedback control module two, feedback control module three and feedback control module four, multichannel control gateControl feedback control module and feed back and adjust, the output of feedback control module one is electrically connected luminous listThe input of unit one, the input of the output electrical connection luminescence unit two of feedback control module two, feedbackThe input of the output electrical connection luminescence unit three of control module three, the output of feedback control module fourThe input of electrical connection luminescence unit four, HF switch current branch one, HF switch current branch two,The input of HF switch current branch three and HF switch current branch four is all electrically connected LED Current ControlThe output of module, the input of LED current control module is electrically connected respectively Logic control module and interior power supplyOutput, the output of interior power supply is also electrically connected respectively the input of Logic control module and charge pump,Speed-sensitive switch, HF switch current branch one, HF switch current branch two, HF switch current branchThree and the equal ground connection of HF switch current branch four. The ACLED light of this high pressure, high frequency, pump formula driving powerSource is directly to connect that to obtain the LED light source of AC220V or the civilian AC power of AC110V basicElement, the working environment of high frequency square wave control, reduces the operating temperature of LED greatly, has ensured LEDOperating current can not produce index and rise, do not need to install additional in addition special heat dissipation equipment, ACLED is independentThe operating temperature of element is no more than 65 DEG C, thereby has ensured service life and the job stability of luminescence unit,Be better than existing LED type of drive. Meanwhile, because operating frequency is more than 350KHz, human eye is examined at allFeel is less than the variation of light frequency, therefore without stroboscopic problem. And without any external drive parts, electricitySource component etc., all elements can be packaged as a whole, good stability, circuit structure uses flexibleSimply, cost is extremely low, is easy to promote.
Although illustrated and described embodiments of the invention, for those of ordinary skill in the art andSpeech, is appreciated that without departing from the principles and spirit of the present invention and can carries out these embodimentMultiple variation, amendment, replacement and modification, scope of the present invention is limit by claims and equivalent thereofFixed.
Claims (4)
1. an ACLED light source for high pressure, high frequency, pump formula driving power, comprises AC voltage-stabilizing module,It is characterized in that: the input of the output electrical connection speed-sensitive switch of described AC voltage-stabilizing module, described heightThe input of the output electrical connection charge pump of speed switch, described electric charge delivery side of pump electrical connection MOSFETThe input of power tube output module, the output electrical connection pulse of described MOSFET power tube output moduleThe input of modulation module, the output electrical connection high frequency conversion transfer circuit of described pulse modulation moduleInput, the output of described high frequency conversion transfer circuit is electrically connected the defeated of overcurrent overheat circuit protection moduleEnter end, the input of the output electrical connection PS trigger of described overcurrent overheat circuit protection module, described inThe output of PS is electrically connected respectively luminescence unit one, luminescence unit two, luminescence unit three and luminescence unit fourInput, the input of the output electrical connection HF switch current branch one of described luminescence unit one,The input of the output electrical connection HF switch current branch two of described luminescence unit two, described luminous listThe input of the output electrical connection HF switch current branch three of unit three, the output of described luminescence unit fourThe input of end electrical connection HF switch current branch four, described HF switch current branch one, high frequency are openedThe input that closes current branch two, HF switch current branch three and HF switch current branch four is all electrically connectedConnect the output of LED current control module, the input of described LED current control module is electrically connected respectivelyThe output of Logic control module and interior power supply, the output of described interior power supply is also electrically connected respectively logic controlThe input of molding piece and charge pump.
2. the ACLED light source of a kind of high pressure according to claim 1, high frequency, pump formula driving power,It is characterized in that: described luminescence unit one, luminescence unit two, luminescence unit three and luminescence unit four defeatedGo out the input that end is all electrically connected current sampling module, the output electrical connection of described current sampling module is rightThan the input of module, the input of described contrast module is also electrically connected the output of reference voltage circuit,The input of the output electrical connection error amplifier of described contrast module, the output of described error amplifierThe input of end electrical connection multichannel control gate, the output of described multichannel control gate is electrically connected respectively feedback controlMolding piece one, the input of feedback control module two, feedback control module three and feedback control module four,The input of the output electrical connection luminescence unit one of described feedback control module one, described FEEDBACK CONTROL mouldThe input of the output electrical connection luminescence unit two of piece two, the output electricity of described feedback control module threeConnect the input of luminescence unit three, the output electrical connection luminescence unit four of described feedback control module fourInput.
3. the ACLED light source of a kind of high pressure according to claim 1, high frequency, pump formula driving power,It is characterized in that: described speed-sensitive switch, HF switch current branch one, HF switch current branch two,HF switch current branch three and the equal ground connection of HF switch current branch four.
4. the ACLED light source of a kind of high pressure according to claim 1, high frequency, pump formula driving power,It is characterized in that: described pulse modulation module comprises pulse frequency modulated module and pulse width modulation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121147.5A CN105592594A (en) | 2016-03-03 | 2016-03-03 | ACLED light source of high-voltage high-frequency pumping driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610121147.5A CN105592594A (en) | 2016-03-03 | 2016-03-03 | ACLED light source of high-voltage high-frequency pumping driving power supply |
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| Publication Number | Publication Date |
|---|---|
| CN105592594A true CN105592594A (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610121147.5A Pending CN105592594A (en) | 2016-03-03 | 2016-03-03 | ACLED light source of high-voltage high-frequency pumping driving power supply |
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Citations (7)
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| CN1591109A (en) * | 2003-10-28 | 2005-03-09 | 友达光电股份有限公司 | Method and apparatus for controlling driving current of light source in display system |
| CN101569025A (en) * | 2007-03-15 | 2009-10-28 | 罗姆股份有限公司 | Light Emitting diode driving apparatus |
| CN201742294U (en) * | 2010-07-21 | 2011-02-09 | 博嘉圣（福州）微电子科技有限公司 | Self-adaptive charge pump for TFT-LCD driving power |
| CN102739044A (en) * | 2012-06-29 | 2012-10-17 | 圣邦微电子（北京）股份有限公司 | DC/DC (direct current) boost converter and LED (light emitting diode) driver |
| CN203352889U (en) * | 2013-06-28 | 2013-12-18 | 成都芯源系统有限公司 | LED driving device and control circuit thereof |
| CN203368874U (en) * | 2013-08-20 | 2013-12-25 | 翁巧慧 | LED lighting energy-saving circuit |
| CN205584542U (en) * | 2016-03-03 | 2016-09-14 | 仝彤 | High pressure, high frequency, pump formula drive power supply's ACLED light source |
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2016
- 2016-03-03 CN CN201610121147.5A patent/CN105592594A/en active Pending
Patent Citations (7)
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| CN1591109A (en) * | 2003-10-28 | 2005-03-09 | 友达光电股份有限公司 | Method and apparatus for controlling driving current of light source in display system |
| CN101569025A (en) * | 2007-03-15 | 2009-10-28 | 罗姆股份有限公司 | Light Emitting diode driving apparatus |
| CN201742294U (en) * | 2010-07-21 | 2011-02-09 | 博嘉圣（福州）微电子科技有限公司 | Self-adaptive charge pump for TFT-LCD driving power |
| CN102739044A (en) * | 2012-06-29 | 2012-10-17 | 圣邦微电子（北京）股份有限公司 | DC/DC (direct current) boost converter and LED (light emitting diode) driver |
| CN203352889U (en) * | 2013-06-28 | 2013-12-18 | 成都芯源系统有限公司 | LED driving device and control circuit thereof |
| CN203368874U (en) * | 2013-08-20 | 2013-12-25 | 翁巧慧 | LED lighting energy-saving circuit |
| CN205584542U (en) * | 2016-03-03 | 2016-09-14 | 仝彤 | High pressure, high frequency, pump formula drive power supply's ACLED light source |
Non-Patent Citations (2)
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| 朱业勤: "基于1倍/ 1.5倍电荷泵的高效率恒流LED驱动电路设计", 《产品设计》 * |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tong Tong Inventor before: Jiang Xiaoming Inventor before: Tong Tong |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160719 Address after: 100053 Beijing Xuanwu District City West postern Gate No. 1401 No. seven grapefruit 7 Applicant after: Tong Tong Address before: 100070 No. 63-4 South Fourth Ring Road, Beijing, Fengtai District Applicant before: BeiJing YuHuanTong High Science Co., Ltd |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170920 Address after: 101500 Room 501, office building, 8 Development Zone, flourishing South Road, Miyun Economic Development Zone, Beijing, -1390 Applicant after: Wei Yu (Beijing) Photoelectric Technology Co., Ltd. Address before: 100053 Beijing Xuanwu District City West postern Gate No. 1401 No. seven grapefruit 7 Applicant before: Tong Tong |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160518 |